Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>

Common stock purchase or sale:
Transaction Date |
Reported DateTime |
Company | Symbol | Insider Relationship |
Shares Traded |
Average Price |
Total Amount |
Shares Owned |
Filing |
2025-04-15 Sale |
2025-04-17 5:41 pm |
NewAmsterdam Pharma Co N.V. | NAMS | Kling Douglas F Chief Operating Officer |
100,000 | $0 | $0 | 594,930 (Direct) |
View |
2025-03-26 Sale |
2025-03-28 5:18 pm |
NewAmsterdam Pharma Co N.V. | NAMS | Kling Douglas F Chief Operating Officer |
16,539 | $0 | $0 | 60,539 (Direct) |
View |
2025-03-17 Sale |
2025-03-19 5:29 pm |
NewAmsterdam Pharma Co N.V. | NAMS | Kling Douglas F Chief Operating Officer |
100,000 | $0 | $0 | 742,181 (Direct) |
View |
2025-02-18 Sale |
2025-02-20 5:24 pm |
NewAmsterdam Pharma Co N.V. | NAMS | Kling Douglas F Chief Operating Officer |
100,000 | $0 | $0 | 305,508 (Direct) |
View |
2025-01-29 Sale |
2025-01-31 5:00 pm |
NewAmsterdam Pharma Co N.V. | NAMS | Kling Douglas F Chief Operating Officer |
70,441 | $0 | $0 | 509,868 (Direct) |
View |
2025-01-27 Sale |
2025-01-29 5:16 pm |
NewAmsterdam Pharma Co N.V. | NAMS | Kling Douglas F Chief Operating Officer |
129,559 | $0 | $0 | 662,557 (Direct) |
View |
Stock options: Exercise, Award, Grant, Conversion
Transaction Date |
Reported DateTime |
Exercisable Expiration |
Company | Symnbol | Insider Relationship |
Shares Traded |
Conversion Price |
Shares Owned |
Filing |
2025-04-15 Exercise |
2025-04-17 5:41 pm |
N/A 2032-11-22 |
NewAmsterdam Pharma Co N.V. | NAMS | Kling Douglas F Chief Operating Officer |
100,000 | $0 | 594,930 (Direct) |
View |
2025-04-15 Exercise |
2025-04-17 5:41 pm |
N/A N/A |
NewAmsterdam Pharma Co N.V. | NAMS | Kling Douglas F Chief Operating Officer |
100,000 | $10 | 594,930 (Direct) |
View |
2025-03-26 Option Award |
2025-03-28 5:18 pm |
N/A N/A |
NewAmsterdam Pharma Co N.V. | NAMS | Kling Douglas F Chief Operating Officer |
16,539 | $0 | 60,539 (Direct) |
View |
2025-03-26 Exercise |
2025-03-28 5:18 pm |
N/A N/A |
NewAmsterdam Pharma Co N.V. | NAMS | Kling Douglas F Chief Operating Officer |
16,539 | $0 | 60,539 (Direct) |
View |
2025-03-17 Exercise |
2025-03-19 5:29 pm |
N/A 2031-07-06 |
NewAmsterdam Pharma Co N.V. | NAMS | Kling Douglas F Chief Operating Officer |
100,000 | $0 | 742,181 (Direct) |
View |
2025-03-17 Exercise |
2025-03-19 5:29 pm |
N/A N/A |
NewAmsterdam Pharma Co N.V. | NAMS | Kling Douglas F Chief Operating Officer |
11,888 | $10 | 742,181 (Direct) |
View |
2025-02-18 Exercise |
2025-02-20 5:24 pm |
N/A 2031-07-06 |
NewAmsterdam Pharma Co N.V. | NAMS | Kling Douglas F Chief Operating Officer |
100,000 | $0 | 305,508 (Direct) |
View |
2025-01-29 Exercise |
2025-01-31 5:00 pm |
N/A 2031-07-06 |
NewAmsterdam Pharma Co N.V. | NAMS | Kling Douglas F Chief Operating Officer |
70,441 | $0 | 509,868 (Direct) |
View |
2025-01-27 Exercise |
2025-01-29 5:16 pm |
N/A 2031-07-06 |
NewAmsterdam Pharma Co N.V. | NAMS | Kling Douglas F Chief Operating Officer |
129,559 | $0 | 662,557 (Direct) |
View |
2025-01-07 Option Award |
2025-01-07 5:10 pm |
N/A N/A |
NewAmsterdam Pharma Co N.V. | NAMS | Kling Douglas F Chief Operating Officer |
44,000 | $0 | 44,000 (Direct) |
View |
2025-01-02 Option Award |
2025-01-06 5:57 pm |
N/A 2035-01-02 |
NewAmsterdam Pharma Co N.V. | NAMS | Kling Douglas F Chief Operating Officer |
250,000 | $0 | 250,000 (Direct) |
View |
2024-01-01 Option Award |
2024-01-03 5:21 pm |
N/A 2034-01-01 |
NewAmsterdam Pharma Co N.V. | NAMS | Kling Douglas F Chief Operating Officer |
323,771 | $0 | 323,771 (Direct) |
View |
Ownership |
2023-12-29 4:30 pm |
N/A 2033-01-01 |
NewAmsterdam Pharma Co N.V. | NAMS | Kling Douglas F Chief Operating Officer |
0 | $0 | 1,378,172 (Direct) |
View |